1#![allow(clippy::single_match)]
2
3use std::io::Read;
4use std::str::FromStr;
5
6use xml::attribute::OwnedAttribute;
7use xml::reader::{EventReader, XmlEvent};
8
9use super::*;
10
11impl ElementReader for Pic {
12 fn read<R: Read>(
13 r: &mut EventReader<R>,
14 _attrs: &[OwnedAttribute],
15 ) -> Result<Self, ReaderError> {
16 let mut pic = Pic::with_empty();
17 loop {
18 let e = r.next();
19 match e {
20 Ok(XmlEvent::StartElement {
21 name, attributes, ..
22 }) => {
23 if let Ok(e) = AXMLElement::from_str(&name.local_name) {
24 match e {
25 AXMLElement::Blip => {
26 if let Some(id) = read(&attributes, "embed") {
27 pic = pic.id(id)
28 }
29 }
30 AXMLElement::Off => {
31 let mut offset_x: i32 = 0;
32 let mut offset_y: i32 = 0;
33 if let Some(x) = read(&attributes, "x") {
34 if let Ok(x) = f64::from_str(&x) {
35 offset_x = x as i32;
36 }
37 }
38 if let Some(y) = read(&attributes, "y") {
39 if let Ok(y) = f64::from_str(&y) {
40 offset_y = y as i32;
41 }
42 }
43 pic = pic.offset_x(offset_x).offset_y(offset_y);
44 }
45 AXMLElement::Ext => {
46 let mut w: u32 = 0;
47 let mut h: u32 = 0;
48 if let Some(x) = read(&attributes, "cx") {
49 if let Ok(x) = u32::from_str(&x) {
50 w = x;
51 }
52 }
53 if let Some(y) = read(&attributes, "cy") {
54 if let Ok(y) = u32::from_str(&y) {
55 h = y;
56 }
57 }
58 pic = pic.size(w, h);
59 }
60 _ => {}
61 }
62 }
63 }
64 Ok(XmlEvent::EndElement { name, .. }) => {
65 let e = PicXMLElement::from_str(&name.local_name).unwrap();
66 if e == PicXMLElement::Pic {
67 return Ok(pic);
68 }
69 }
70 Err(_) => return Err(ReaderError::XMLReadError),
71 _ => {}
72 }
73 }
74 }
75}